Valliammai Muthappan, MD.
NPI 1427370675 · Ophthalmology Physician · Murrysville, PA
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Valliammai Muthappan, MD. is a Ophthalmology Physician provider in Murrysville, PA (NPI 1427370675).
Provider details
- NPI number
- 1427370675
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD.
- Sex
- Female
- Sole proprietor
- No
- License
- MD443772 (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
16 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
452 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Removal of Cataract With Insertion of Prosthetic Lens66984 | 116 | $426 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 84 | $159 |
| Measurement of Corneal Curvature and Depth of Eye92136 | 61 | $44 |
| Measurement of Corneal Curvature and Depth of Eye92136 | 60 | $28 |
| Removal of Recurring Cataract in Lens Capsule Using a Laser66821 | 54 | $280 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 44 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisolone Acetate | 159 | 113 |
| Ketorolac Tromethamine | 97 | 86 |
| Ofloxacin | 96 | 81 |
| Valacyclovir Hclbrand: Valacyclovir | 20 | — |
| Fluorometholone | 19 | 12 |
| Amlodipine Besylate | 12 | — |
| Erythromycin Basebrand: Erythromycin | 12 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$16 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2010-02-15
- Last updated
- 2017-11-29
Frequently asked questions
- What is Valliammai Muthappan's NPI number?
- Valliammai Muthappan's National Provider Identifier (NPI) is 1427370675, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Valliammai Muthappan's specialty?
- Valliammai Muthappan is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Valliammai Muthappan located?
- Valliammai Muthappan's practice location on file with NPPES is 4750 Old William Penn Hwy, Murrysville, PA 15668-2017.
- What is Valliammai Muthappan's phone number?
- The practice phone number listed in the NPPES registry for Valliammai Muthappan is (724) 617-2020.
- Does Valliammai Muthappan accept Medicare?
- Valliammai Muthappan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Valliammai Muthappan's NPI active?
- Yes — Valliammai Muthappan's NPI (1427370675) is active in the NPPES registry as of the last update on 2017-11-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.